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lib/Algorithm/FeatureSelection.pm  view on Meta::CPAN

  # get information-gain 
  my $ig = $fs->information_gain($features);
  my $ig = $fs->ig($features); # same above



=head1 DESCRIPTION

This library is an perl implementation of 'Pairwaise Mutual Information' and 'Information Gain' 
that are used as well-known method of feature selection on text mining fields.

=head1 METHOD

=head2 new()

=head2 information_gain( $features )

  my $features = {
    feature_1 => {
        class_a => 10,